Test Equipment Depot BST-CM273 Instruction Manual Download Page 13

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(5) Resistance & Diode measurement

CAUTION!

Make sure that there is no voltage in the circuit or

components being measured.
For resistance test:

●

Insert the BLACK test lead to COM and the RED

one to the other terminal.

● Set the function switch to Ω.

●

Connect the test leads to the object to be measured.

●

Read the display.

For Diode test:

●

Connect the test leads to the diode for testing.

●

Read the forward Voltage of diode directly from the

display.

※

Reversing the polarity of the test leads displays

O.L.

Summary of Contents for BST-CM273

Page 1: ...C A A ZERO COM V AC 000 V MAX 600V HOLD Ω Ω MAX CAT Ⅲ AC DC CLAMP METER AC DC CLAMP METER BST CM273 INSTRUCTION MANUAL 99 Washington Street Melrose MA 02176 Phone 781 665 1400 Toll Free 1 800 517 8431 Visit us at www TestEquipmentDepot com ...

Page 2: ...INDEX 1 INTRODUCTION 2 SAFETY NOTES 3 FEATURES 4 SPECIFICATIONS 5 INSTRUMENT LAYOUT 6 MEASUREMENT 7 MAINTENANCE Page 1 2 3 4 6 7 8 9 11 12 ...

Page 3: ...designed and tested according to CE Safety Requirements for Electronic Measuring Apparatus EN61010 1 EN 61010 2 32 and other safety standards Follow all warnings to ensure safe operation WARNING READ SAFETY NOTES NEXT PAGE BEFORE USING THE METER ...

Page 4: ...onductors or bus bars Never clamp around any conductor carrying a voltage above 600V R M S Rated environmental conditions 1 Indoor use 2 Installation Category III 3 Pollution degree II 4 Altitude up to 2000 Meter 5 Relative Humidity 80 Max 6 Ambient Temperature 0 40 C Observe the international Electrical Symbols listed below Meter protected throughout by double insulation or reinforced insulation ...

Page 5: ...he absolutely maximum of readings LCD backlight function Flashlight function Low battery indication Safety design throughout with no exposed metal parts shielded banana plugs and recessed input terminals The Ohm function is ideal for checking continuity of relays transformers and motor coils Diode check function ...

Page 6: ...00 V DC Current 400 1000 A Resistance 400 2000 Ω Diode 400 2000 mV at 1mA ACV Range Resolution Accuracy 400V 0 1V 1 0 rdg 3dgt 600V 1V ACA Range Resolution Accuracy 400A 0 1A 1 5 rdg 3dgt 1000A 1A Frequency Response 40Hz 500Hz DCV Range Resolution Accuracy 400V 0 1V 0 75 rdg 3dgt 600V 1V ...

Page 7: ...Ω 0 1Ω 1 0 rdg 3dgt 2000Ω 1Ω Buzzer sounds below 38 0Ω Overload protection ACV 750V rms DCV 1000V Diode Ohm 600V rms Conductor Size Approx 40mm Max Operating Principle Dual slope integration Over Rage Indication O L indicated Low Battery Indication sign appears on the display Response Time Approx 1 second ...

Page 8: ...ranteed 0 C 40 C at 80 max relative humidity Storage Temperature Humidity 10 C 50 C at 80 max relative humidity Dimensions 255 L x 80 W x 35 D mm Weight Approx 420g battery included Power Source 9V 6F22 x 1 Accessories Test leads Soft pouch Instruction manual 9V 6F22 x 1 ...

Page 9: ... 7 5 INSTRUMENT LAYOUT 1000A CAT Ⅲ 600V AC V OFF AC A DC V DC A A ZERO COM V AC 000 V MAX 600V HOLD Ω Ω MAX CAT Ⅲ AC DC CLAMP METER 1 2 4 8 7 6 5 9 3 ...

Page 10: ...s to conductor 3 Jaw Trigger Press to open the jaws 4 DCA zero adjustment shaft 5 LCD Display 3 digit LCD with the maximum reading of 3999 6 Input Terminals 7 Function Switch 8 Max Button Hold the absolute maximum of readings with indicated 9 Data Hold Button Freeze the reading for all ranges with indicated MAX HOLD ...

Page 11: ...V Connect the test leads to the object to be measured when measuring AC voltage the polarity of the leads can be ignored Read the display 2 DC Voltage measurement Insert the BLACK test lead to COM and the RED one to the other terminal Set the function switch to DCV Connect the test leads to the object to be measured Read the display Reversing the polarity of the test leads displays a negative valu...

Page 12: ...eading of DCA is not zero adjust the DCA zero adjustment shaft until the display shows zero Press the jaw trigger to open the transfomer jaw and clamp onto one conductor only Read the display O X LOAD LOAD LOAD LOAD 1000A CAT Ⅲ 600V AC V OFF AC A DC V DC A A ZERO COM V AC 000 V MAX 600V HOLD Ω Ω MAX CAT Ⅲ AC DC CLAMP METER 1000A CAT Ⅲ 600V AC V OFF AC A DC V DC A A ZERO COM V AC 000 V MAX 600V HOL...

Page 13: ...nsert the BLACK test lead to COM and the RED one to the other terminal Set the function switch to Ω Connect the test leads to the object to be measured Read the display For Diode test Connect the test leads to the diode for testing Read the forward Voltage of diode directly from the display Reversing the polarity of the test leads displays O L ...

Page 14: ... replace with a new Battery Cleaning and Storage Periodically wipe the case with a damp cloth and detergent Do not use abrasives or solvents If the meter is not to be used for a long time over 60 days please remove the battery for storage WARNING To avoid electrical shock or damage to the meter do not get water inside the case Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176...

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